Count NASA engineers among the soccer fans following the 2014 World Cup in Brazil this summer. They kicked off the tournament by exploring the aerodynamics of the six-panel Brazuca football that debuted at the games - and found it similar to traditional models.    

In the man-against-machine smackdown, humans remain ahead. But for how long? World Table Tennis champion Timo Boll matched wits against "the fastest robot on Earth" to find out.

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